ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The volume of air breathed in and out with each normal breath. Under normal circumstances this represents about 500cm3 of air breathed (both inhaled and exhaled)-WHat is this?
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Expiratory Reserve volume
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Inspiratory Reserve volume
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Minute ventilation
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Tidal Volume
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Explanation:
Detailed explanation-1: -Tidal volume is the amount of air that we breathe in and out during normal breathing. It is about 500 ml.
Detailed explanation-2: -Alveoli. Minute ventilation is the tidal volume times the respiratory rate, usually, 500 mL × 12 breaths/min = 6000 mL/min.
Detailed explanation-3: -Each breath contains around 500-600 ml of air, this is called the Tidal Volume (the depth of inhalation). People usually take around 10-15 breaths per minute when resting. This is described as the Respiratory Rate.
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